竞赛指挥中心是奥组委主运行中心体系中的一个分中心。

The Sport Command centre (SCC) operates within the Main Operations centre (MOC) of an OCOG as a sub-centre of the MOC.

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因此，主运行中心是在必要情况下指导奥运会运行的中央指挥、控制和联络中心。

Therefore the MOC is the central Command, Control and Communications Centre to direct Games operations when necessary.

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发生故障的电梯在运输中心的主层和低层之间运行。

The elevator takes people between the transit center's main floor and lower floor.

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